Home / 19,879,114.80-29,818,672.20-19,753,143.60

Finding the Fourth Proportional to 19,879,114.80, 29,818,672.20 and 19,753,143.60

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Solution

The fourth proportional to 19,879,114.80, 29,818,672.20 and 19,753,143.60 is: 29,629,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,114.80 : 29,818,672.20 = 19,753,143.60 : x
  2. Step 2: Convert to fraction form
    19,879,114.80/29,818,672.20 = 19,753,143.60/x
  3. Step 3: Cross multiply
    19,879,114.80x = 29,818,672.20 × 19,753,143.60
  4. Step 4: Simplify right side
    19,879,114.80x = 589,012,513,927,928
  5. Step 5: Solve for x
    x = 589,012,513,927,928/19,879,114.80
  6. Step 6: Final answer
    x = 29,629,715.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.